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AN103812
Aeronautical Standard Machine Bolt
Description
Fastener Length: 7/8", Hole Diameter: 1/16", Thread: 1/4-28, Thread Length: 13/16
Specifications
| Fastener Length | 0.865 inches minimum and 0.885 inches maximum |
|---|---|
| Features Provided | Finished head |
| Grip Length | 0.065 inches minimum and 0.125 inches maximum |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.240 inches minimum and 0.260 inches maximum |
| Head Style | Hexagon Head |
| Hole Configuration Style | Hexagon longitudinal hole |
| Hole Diameter | 0.070 |
| Hole Quantity | 6 |
| Hole Type | Drilled |
| Length | 7/8 |
| Material | Steel |
| Material Specification | Ams 6322 assn std single material response |
| Surface Finish | 32.0 microinches threads, 63.0 microinches bearing surface of head, 63.0 microinches grip |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Ams 2400 assn std single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.740 inches minimum and 0.825 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Between Flats | 0.430 inches minimum and 0.439 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN103812. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error